this morning, new questions over whether the obama administration is overstepping its bounds. they're among the most controversial and secretive weapons in the war on terror, unmanned drones, used to strike alcoh al qaeda targets worldwide. under fire after nbc news obtained a memo that includes deadly strikes against u.s. citizens that are operational leaders of al qaeda are a lawful act of national self defense. among those targeted, an war al alawki, killed in yemen in 2011. >> it is a chilling dumt document. it sets out the government's intentions to kill american citizens. >> reporter: demanding more transparency about the strikes and is expected to target john brennan during his cia confirmation hearings, beginning tomorrow. president obama on tuesday urged congress to act. >> they should at least pass a smaller package of spending cuts and tax reforms that would delay economically damaging effect of the sequester for a few more months. >> reporter: if you think of it as a t-bone stake, the sequester is like a butcher's knife, lobbing off a big piece. republicans want to